ttrockstars.js

(function loop() {
    var delay = 500 + Math.floor(Math.random() * 500);
    setTimeout(() => {
        var el;
        if (el = document.querySelector('ttr-game-question.current-game-question')) {
            var sum = el.innerText;
            var [x,op,y] = sum.split(' ');
            var answer = (op=='×') ? (x*y) : (x/y);
            answer.toString().split('').forEach(x =>
                dispatchEvent(new KeyboardEvent("keydown", {
                    "key": x,
                    "keyCode": 48+parseInt(x,10),
                    "which": 48+parseInt(x,10),
                    "code": "Digit"+x,
                }))
            );
            dispatchEvent(new KeyboardEvent("keydown", {
                "key": "Enter",
                "keyCode": 13,
                "which": 13,
                "code": "Enter",
            }));
        } else if (el = document.evaluate("//button[contains(., 'Play again')]", document, null, XPathResult.ANY_TYPE, null ).iterateNext()) {
            el.click();
        }
        loop();
    }, delay);
})();